CN208417628U - A kind of multistage check-valves - Google Patents
A kind of multistage check-valves Download PDFInfo
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- CN208417628U CN208417628U CN201820095528.5U CN201820095528U CN208417628U CN 208417628 U CN208417628 U CN 208417628U CN 201820095528 U CN201820095528 U CN 201820095528U CN 208417628 U CN208417628 U CN 208417628U
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- water flow
- cavity
- baffle plate
- outlet pass
- fixedly connected
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Abstract
The utility model discloses a kind of multistage check-valves, including the first water flow tube body, the inside of the first water flow tube body offers the first cavity, the first outlet pass is offered on the left of first cavity inner bottom wall, the right side of first water flow tube body offers the second outlet pass, and second outlet pass be connected with the first cavity, it is fixedly connected to the fixed block of triangular shape in the middle part of the middle part of first cavity inner roof wall and inner bottom wall, is fixedly connected to fixed column on the left of the left side of the first cavity inner roof wall and inner bottom wall.The multistage check-valves, achieve the effect that move left and right the first baffle plate, has the function of making the first baffle sheet reset, when water flow reflux, it drives the first baffle plate barrier water flow to flow back using impact force, has achieved the effect that move up and down the second baffle plate, had the function of anti-backflow, have the advantages that raising prevents water flow reflux performance, and then possesses the effect of multistage check-valves.
Description
Technical field
The utility model relates to check-valves technical field, specially a kind of multistage check-valves.
Background technique
Check-valves refers to be flowed and automatic open and close flap by medium itself, for the valve for preventing medium from flowing backwards, also known as
Non-return valve, check valve, reflux valve and counterbalance valve, check-valves belong to a kind of automatic valve, and main function is to prevent medium from falling
It flows, prevent pump and drive motor reversion and vessel media from releasing.
Currently, most of check-valves is level-one check-valves in the market, when obstructing water flow reflux, cannot effectively prevent
Sealing flows back to, the effect of anti-backflow is poor, for this purpose, it is proposed that a kind of multistage check-valves solves the problems, such as this.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of multistage check-valves, solves existing check-valves
Obstruct the poor problem of the effect of reflux.
(2) technical solution
To achieve the above object, the utility model provides the following technical solutions: a kind of multistage check-valves, including the first water flow
Tube body, the inside of the first water flow tube body offer the first cavity, offer on the left of the first cavity inner bottom wall
First outlet pass, the right side of the first water flow tube body offer the second outlet pass, and the second outlet pass and the first cavity
It is connected, the fixed block of triangular shape is fixedly connected in the middle part of the middle part of the first cavity inner roof wall and inner bottom wall,
Fixed column is fixedly connected on the left of the left side of the first cavity inner roof wall and inner bottom wall, and two fixed columns are respectively positioned on two
The left side of a fixed block is placed with the first baffle plate between two fixed blocks, and the first baffle plate is far from fixed block
One side is fixedly connected there are two the first symmetrical spring, and the one end of two the first springs far from the first baffle plate respectively with
The right side of two fixed columns is fixedly connected.
The bottom surface of the first water flow tube body is fixedly connected with the second water flow tube body, the second water flow tube body
Inside offers the second cavity, and the right side opening of the second cavity inner roof wall is equipped with third outlet pass, and third outlet pass and the
One outlet pass is connected, and the left side of the second water flow tube body offers the 4th outlet pass, and the 4th outlet pass and second
Cavity is connected, and supporting block is fixedly connected on the right side of the second cavity inner bottom wall, and the inside of the supporting block offers scarce
Mouthful, the inner sidewall of the notch is opened up there are two symmetrical sliding slot, and the inside of the notch is placed with support rod, the support
The left and right sides of bar are fixedly connected to sliding block compatible with sliding slot, and sliding block is connected in sliding slot, the support rod
Bottom surface is fixedly connected with second spring, and the bottom end of second spring is fixedly connected with the inner bottom wall of notch, a left side for the support rod
Right two sides are fixedly connected to support column, and the inside of second cavity is placed with the second baffle plate, two support columns
Upper surface be fixedly connected with the bottom surface of the second baffle plate, the inner roof wall of the upper surface of the second baffle plate and the second cavity
It is in contact, and the second baffle plate is located at the underface of third outlet pass.
Preferably, the size of the first water flow tube body and the second water flow tube body is equal in magnitude, and the third is logical
The diameter value at the mouth of a river is greater than the diameter value of the first outlet pass.
Preferably, the maximum vertical length value between less than two fixed blocks of the vertical length value of the first baffle plate,
And first the vertical length value of baffle plate be greater than the minimum vertical length value between two fixed blocks.
Preferably, the second baffle plate is cylindrical, and the diameter value of the second baffle plate is greater than the straight of third outlet pass
Diameter value.
Preferably, the horizontal length value of the support rod is greater than the horizontal length value of supporting block, the width of the support rod
Value is less than the horizontal length value of notch.
Preferably, the vertical length value of the sliding slot is equal with the vertical length of notch value, the vertical length of the supporting block
Angle value is greater than the half of the second cavity vertical length value.
(3) beneficial effect
The utility model provides a kind of multistage check-valves, have it is following the utility model has the advantages that
(1) multistage check-valves, by being provided between the first baffle plate and fixed column, the first spring and fixed block
Be equipped with, achieved the effect that move left and right the first baffle plate, had the function of making the first baffle sheet reset, work as water
When flowing back to stream, drives the first baffle plate barrier water flow to flow back using impact force, have the advantages that improve barrier reflowing result.
(2) the multistage check-valves is greater than the diameter value of the first outlet pass by the diameter value of third outlet pass, has reached logical
The effect of water improves the performance of water flowing, by be provided with the second baffle plate and supporting block, support column, support rod, sliding block,
Being equipped between sliding slot, notch and second spring achieved the effect that move up and down the second baffle plate, and having prevents
The function of reflux, having the advantages that improve prevents water flow reflux performance, and then possesses the effect of multistage check-valves.
Detailed description of the invention
Fig. 1 is the first water flow of the utility model tube body cross-sectional view；
Fig. 2 is the utility model supporting block cross-sectional view.
In figure: 1 first water flow tube body, 2 fixed columns, 3 first springs, 4 first baffle plates, 5 fixed blocks, 6 first skies
Chamber, 7 second outlet passes, 8 first outlet passes, 9 third outlet passes, 10 support columns, 11 supporting blocks, 12 support rods, 13 second baffles
Plate, 14 second cavitys, 15 second water flow tube bodies, 16 the 4th outlet passes, 17 sliding blocks, 18 second springs, 19 sliding slots, 20 notches.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of multistage check-valves, including the first water flow pipes
Ontology 1, the inside of the first water flow tube body 1 offer the first cavity 6, and it is logical that first is offered on the left of 6 inner bottom wall of the first cavity
The mouth of a river 8, the right side of the first water flow tube body 1 offers the second outlet pass 7, and the second outlet pass 7 is connected with the first cavity 6
It is logical, the fixed block 5 of triangular shape is fixedly connected in the middle part of the middle part of 6 inner roof wall of the first cavity and inner bottom wall, first is empty
Fixed column 2 is fixedly connected on the left of the left side of 6 inner roof wall of chamber and inner bottom wall, and two fixed columns 2 are respectively positioned on two fixations
The left side of block 5, the first baffle plate 4 is placed between two fixed blocks 5, and the vertical length value of the first baffle plate 4 is solid less than two
Determine the maximum vertical length value between block 5, and the vertical length value of the first baffle plate 4 is greater than the minimum between two fixed blocks 5
Vertical length value, has the effect of barrier water flow reflux, and the first baffle plate 4 is fixedly connected with far from the one side of fixed block 5
Two the first symmetrical springs 3, and two one end of the first spring 3 far from the first baffle plate 4 respectively with two fixed columns 2
Right side is fixedly connected.
The bottom surface of first water flow tube body 1 is fixedly connected with the second water flow tube body 15, the first water flow tube body 1 it is big
It is small equal in magnitude with the second water flow tube body 15, structure overall utility is improved, the inside of the second water flow tube body 15 is opened
Equipped with the second cavity 14, the right side opening of 14 inner roof wall of the second cavity is equipped with third outlet pass 9, and the diameter value of third outlet pass 9 is big
In the diameter value of the first outlet pass 8, it is therefore prevented that the case where leak, occurs, and third outlet pass 9 is connected with the first outlet pass 8,
The left side of second water flow tube body 15 offers the 4th outlet pass 16, and the 4th outlet pass 16 is connected with the second cavity 14,
Supporting block 11 is fixedly connected on the right side of second cavity, 14 inner bottom wall, the vertical length value of supporting block 11 is perpendicular greater than the second cavity 14
The half of straight length value, improves overall compact type, the inside of supporting block 11 opens up jagged 20, the inside of notch 20
Wall is opened up there are two symmetrical sliding slot 19, and the vertical length value of sliding slot 19 is equal with the vertical length of notch 20 value, improves
The effect of water flow reflux is obstructed, the inside of notch 20 is placed with support rod 12, and the horizontal length value of support rod 12 is greater than supporting block
11 horizontal length value, improves whole practicability, and the width value of support rod 12 is less than the horizontal length value of notch 20, prevents
The case where rub, the fixed company of the left and right sides of support rod 12 are generated between support rod 12 and the inner sidewall of notch 20
It is connected to sliding block 17 compatible with sliding slot 19, and sliding block 17 is connected in sliding slot 19, the bottom surface of support rod 12 is fixedly connected with
Two springs 18, and the bottom end of second spring 18 is fixedly connected with the inner bottom wall of notch 20, the left and right sides of support rod 12 are solid
Surely it is connected with support column 10, the inside of the second cavity 14 is placed with the second baffle plate 13, and the second baffle plate 13 is cylindrical, and
The diameter value of second baffle plate 13 is greater than the diameter value of third outlet pass 9, has the effect of barrier water flow reflux, two supports
The upper surface of column 10 is fixedly connected with the bottom surface of the second baffle plate 13, the upper surface of the second baffle plate 13 and the second cavity 14
Inner roof wall be in contact, and the second baffle plate 13 is located at the underface of third outlet pass 9.
Working principle: make to enter at the second outlet pass of water flow siphunculus 7, using hydraulic pressure, push the first baffle plate 4, the first bullet
Spring 3 is shunk, and passes through water flow, when water flow reflux, using the effect of hydraulic pressure and the reset of the first spring 3, push first every
Plate washer 4 is contacted with fixed block 5, to obstruct water flow reflux, water flow passes through at the first outlet pass 8 and third outlet pass 9 to second
Baffle plate 13 applies pressure, using the cooperation of sliding block 17 and sliding slot 19 is mobile and the contraction of second spring 18, water is made to enter the
In two cavitys 14, utilize the reset of second spring 18, it is therefore prevented that the reflux of water flow, water flow by the 4th outlet pass 16 by into
Row draining.
In conclusion the multistage check-valves, by being provided with the first baffle plate 4 and fixed column 2, the first spring 3 and consolidating
Determine being equipped between block 5, achieved the effect that move left and right the first baffle plate 4, having resets the first baffle plate 4
Function, when water flow reflux when, using impact force drive the first baffle plate 4 barrier water flow flow back, have improve barrier reflux effect
The advantages of fruit, is greater than the diameter value of the first outlet pass 8 by the diameter value of third outlet pass 9, has achieved the effect that water flowing, is improved
The performance of water flowing, by being provided with the second baffle plate 13 and supporting block 11, support column 10, support rod 12, sliding block 17, sliding
Being equipped between slot 19, notch 20 and second spring 18 has achieved the effect that move up and down the second baffle plate 13 have
For the function of anti-backflow, having the advantages that improve prevents water flow reflux performance, and then possesses the effect of multistage check-valves.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of multistage check-valves, including the first water flow tube body (1), it is characterised in that: the first water flow tube body (1)
Inside offers the first cavity (6), offers the first outlet pass (8) on the left of the first cavity (6) inner bottom wall, described first
The right side of water flow tube body (1) offers the second outlet pass (7), and the second outlet pass (7) is connected with the first cavity (6),
The fixed block (5) of triangular shape, institute are fixedly connected in the middle part of the middle part of first cavity (6) inner roof wall and inner bottom wall
It states and is fixedly connected to fixed column (2) on the left of the left side and inner bottom wall of the first cavity (6) inner roof wall, and two fixed columns (2)
Be respectively positioned on the left side of two fixed blocks (5), be placed with the first baffle plate (4) between two fixed blocks (5), described first every
Plate washer (4) is fixedly connected far from the one side of fixed block (5) there are two symmetrical the first spring (3), and two the first springs
(3) one end far from the first baffle plate (4) is fixedly connected with the right side of two fixed columns (2) respectively；
The bottom surface of the first water flow tube body (1) is fixedly connected with the second water flow tube body (15), the second water flow pipes sheet
The inside of body (15) offers the second cavity (14), and the right side opening of the second cavity (14) inner roof wall is equipped with third outlet pass
(9), and third outlet pass (9) is connected with the first outlet pass (8), and the left side of the second water flow tube body (15) offers
4th outlet pass (16), and the 4th outlet pass (16) is connected with the second cavity (14), the second cavity (14) inner bottom wall
Right side is fixedly connected with supporting block (11), and the inside of the supporting block (11) opens up jagged (20), the notch (20) it is interior
Side wall is opened up there are two symmetrical sliding slot (19), and the inside of the notch (20) is placed with support rod (12), the support rod
(12) left and right sides are fixedly connected to and sliding slot (19) compatible sliding block (17), and sliding block (17) is connected to sliding slot
(19) in, the bottom surface of the support rod (12) is fixedly connected with second spring (18), and the bottom end of second spring (18) and notch
(20) inner bottom wall is fixedly connected, and the left and right sides of the support rod (12) are fixedly connected to support column (10), and described
The inside of two cavitys (14) is placed with the second baffle plate (13), the upper surface of two support columns (10) with the second baffle plate
(13) bottom surface is fixedly connected, and the upper surface of the second baffle plate (13) is in contact with the inner roof wall of the second cavity (14), and
Second baffle plate (13) is located at the underface of third outlet pass (9).
2. a kind of multistage check-valves according to claim 1, it is characterised in that: the first water flow tube body (1) it is big
Small equal in magnitude with the second water flow tube body (15), the diameter value of the third outlet pass (9) is greater than the first outlet pass (8)
Diameter value.
3. a kind of multistage check-valves according to claim 1, it is characterised in that: the vertical length of the first baffle plate (4)
Maximum vertical length value between less than two fixed blocks (5) of angle value, and the vertical length value of the first baffle plate (4) is greater than two
Minimum vertical length value between fixed block (5).
4. a kind of multistage check-valves according to claim 1, it is characterised in that: the second baffle plate (13) is in cylinder
Shape, and the diameter value of the second baffle plate (13) is greater than the diameter value of third outlet pass (9).
5. a kind of multistage check-valves according to claim 1, it is characterised in that: the horizontal length value of the support rod (12)
Greater than the horizontal length value of supporting block (11), the width value of the support rod (12) is less than the horizontal length value of notch (20).
6. a kind of multistage check-valves according to claim 1, it is characterised in that: the vertical length value of the sliding slot (19) with
The vertical length value of notch (20) is equal, and the vertical length value of the supporting block (11) is greater than the second cavity (14) vertical length value
Half.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820095528.5U CN208417628U (en) | 2018-01-21 | 2018-01-21 | A kind of multistage check-valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820095528.5U CN208417628U (en) | 2018-01-21 | 2018-01-21 | A kind of multistage check-valves |
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| Publication Number | Publication Date |
|---|---|
| CN208417628U true CN208417628U (en) | 2019-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820095528.5U Active CN208417628U (en) | 2018-01-21 | 2018-01-21 | A kind of multistage check-valves |
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| CN (1) | CN208417628U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110260000A (en) * | 2019-06-10 | 2019-09-20 | 浦江县鑫隆自动化设备有限公司 | A kind of valve with anti-return function |
-
2018
- 2018-01-21 CN CN201820095528.5U patent/CN208417628U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110260000A (en) * | 2019-06-10 | 2019-09-20 | 浦江县鑫隆自动化设备有限公司 | A kind of valve with anti-return function |
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